Expandable heart valves for minimally invasive valve replacement surgeries are disclosed. The valves are rolled into a first, contracted configuration for minimally invasive delivery and then unrolled or unfurled at the implantation site. One- and two-piece stents may be used in conjunction with a plurality...http://www.google.es/patents/US6733525?utm_source=gb-gplus-sharePatente US6733525 - Rolled minimally-invasive heart valves and methods of use
Rolled minimally-invasive heart valves and methods of use
